United States Geological Survey YearbookThe Survey, 1987 - Forest reserves |
From inside the book
Page viii
... surface- and ground - water re- sources , and applying our extensive knowl- edge of cartography and remote sensing to develop innovative approaches to the solution of many land- and resource- management concerns . Conducting the ...
... surface- and ground - water re- sources , and applying our extensive knowl- edge of cartography and remote sensing to develop innovative approaches to the solution of many land- and resource- management concerns . Conducting the ...
Page 3
... surface and transmit the signals to recording equipment onboard . B , The seismic- reflection surveying system in operation on Lake Superior . Air guns in four arrays marked by the orange floats are towed be- hind the ship about 30 feet ...
... surface and transmit the signals to recording equipment onboard . B , The seismic- reflection surveying system in operation on Lake Superior . Air guns in four arrays marked by the orange floats are towed be- hind the ship about 30 feet ...
Page 6
... surface Bend in line 369 12 KILOMETERS ( approximate ) 15 18 21 24 27 30 33 36 39 Moho -42 45 48 Figure 4. A portion of seismic reflection section F ( see fig . 1 for location ) that crosses the Mid - Continent Rift . The heavy black ...
... surface Bend in line 369 12 KILOMETERS ( approximate ) 15 18 21 24 27 30 33 36 39 Moho -42 45 48 Figure 4. A portion of seismic reflection section F ( see fig . 1 for location ) that crosses the Mid - Continent Rift . The heavy black ...
Page 11
... surface water . The hydraulic connection between ground water and surface water , the local- ized nature of most ground - water flow sys- tems , and the fact that the divides between ground - water and surface - water drainage basins ...
... surface water . The hydraulic connection between ground water and surface water , the local- ized nature of most ground - water flow sys- tems , and the fact that the divides between ground - water and surface - water drainage basins ...
Page 14
... surface for 2 to 12 months 15. Soil saturated with water within 3 feet of the surface for less than 2 months 16. Peat and muck deposits 17. Percolation rate classes 18. Agricultural land use capability 19. Drainage areas 20. Floodprone ...
... surface for 2 to 12 months 15. Soil saturated with water within 3 feet of the surface for less than 2 months 16. Peat and muck deposits 17. Percolation rate classes 18. Agricultural land use capability 19. Drainage areas 20. Floodprone ...
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activities Administration Alaska analysis aquifer areas Award basin Board Bureau Calcasieu River cartographic cartographic data Chief Hydrologist City City of w climate coal coastal Commission concentrations contamination cooperative Coordination County data base Denver Denver Federal Center Department of Public deposits Earth Science earthquake energy environment Environmental fiscal flow geographic information systems Geologic Division geologic map Geologist geophysical global change gram graphic ground water ground-water hazards hydrologic Hydrologist investigations Irrigation Lake Lake Nyos land located Management ment miles mineral resources National Center National Mapping Division natural Office organic Park percent Planning processes radon Regional Reston River rocks samples San Joaquin River scientific scientists sediment seismic selenium Service soils Stop streamflow studies surface tion Transportation U.S. Geological Survey United users USGS Valley Volcano Water Conservation District Water District water quality Water Resources water-quality wetlands zone